There has been no love lost recently between Real Housewives of Orange County star Tamra Barney and ex-husband Simon Barney. However, Simon's newest allegations about Tamra are quite shocking, with Simon alleging that Tamra neglects their kids. And you won't believe how Tamra has responded!

In divorce documents Simon filed on March 28, he claims that Tamra has neglected their children at times, according to Radar Online. "Respondent, especially, in recent times, has been very neglectful in her care for the children," read the documents. "This has resulted in the children not getting prompt medical care, nutritional meals, hygienic care, and deterioration in their school work and attendance."

Simon cites an incident from last month during which he claims that their 13-year-old son, Spencer, broke his thumb, but Tamra failed to take him to the hospital. He also claims that Tamra would go for days without washing eight-year-old daughter Sohpia's hair, which Simon claims resulted in Sophia getting lice.

Also, Simon says that Sidney, 15, asked to move out of Tamra's place in October 2013 and has lived with Simon ever since. And he adds that Tamra doesn't provide the children with proper nutrition.

Wow. However, Tamra is firing back on Twitter, asserting that Simon isn't telling the truth. "It's all bulls—t and very hurtful," Tamra writes. "Truth will come out soon. Way to hurt the kids, Simon!" Meanwhile, Tamra's husband Eddie tweets, "Blows my mind how the ex just can't move on after four years! Give it up and move on... Get a life already! Loser." Eddie adds that if Simon needs money, he should just ask for it, rather than embarrassing the children.